Police try linking Delaware convict to long-missing Maryland girls

9:56 PM,
Feb. 18, 2014

Lloyd Lee Welch

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Investigators in the high-profile disappearance of two Maryland sisters in 1975 are focusing on a Delaware inmate convicted of sexually assaulting a girl of a similar age in the 1990s.

Lloyd Lee Welch, 57, was declared a "person of interest" in the disappearance of Sheila Lyon, 13, and her 11-year-old sister, Katherine, from the Westfield Wheaton shopping mall in Wheaton, Md., shopping mall, authorities in Maryland said last week.